updated dependencies

This commit is contained in:
ston1th 2019-08-24 14:28:46 +02:00
commit 407ec638fe
176 changed files with 15864 additions and 4354 deletions

View file

@ -14,7 +14,7 @@ var interleaveShift = []uint{1, 2, 4, 8, 16}
// Interleave the first 32 bits of each uint64
// apdated from org.apache.lucene.util.BitUtil
// whcih was adapted from:
// which was adapted from:
// http://graphics.stanford.edu/~seander/bithacks.html#InterleaveBMN
func Interleave(v1, v2 uint64) uint64 {
v1 = (v1 | (v1 << interleaveShift[4])) & interleaveMagic[4]

View file

@ -23,12 +23,26 @@ const ShiftStartInt64 byte = 0x20
type PrefixCoded []byte
func NewPrefixCodedInt64(in int64, shift uint) (PrefixCoded, error) {
rv, _, err := NewPrefixCodedInt64Prealloc(in, shift, nil)
return rv, err
}
func NewPrefixCodedInt64Prealloc(in int64, shift uint, prealloc []byte) (
rv PrefixCoded, preallocRest []byte, err error) {
if shift > 63 {
return nil, fmt.Errorf("cannot shift %d, must be between 0 and 63", shift)
return nil, prealloc, fmt.Errorf("cannot shift %d, must be between 0 and 63", shift)
}
nChars := ((63 - shift) / 7) + 1
rv := make(PrefixCoded, nChars+1)
size := int(nChars + 1)
if len(prealloc) >= size {
rv = PrefixCoded(prealloc[0:size])
preallocRest = prealloc[size:]
} else {
rv = make(PrefixCoded, size)
}
rv[0] = ShiftStartInt64 + byte(shift)
sortableBits := int64(uint64(in) ^ 0x8000000000000000)
@ -40,7 +54,8 @@ func NewPrefixCodedInt64(in int64, shift uint) (PrefixCoded, error) {
nChars--
sortableBits = int64(uint64(sortableBits) >> 7)
}
return rv, nil
return rv, preallocRest, nil
}
func MustNewPrefixCodedInt64(in int64, shift uint) PrefixCoded {
@ -77,6 +92,10 @@ func (p PrefixCoded) Int64() (int64, error) {
}
func ValidPrefixCodedTerm(p string) (bool, int) {
return ValidPrefixCodedTermBytes([]byte(p))
}
func ValidPrefixCodedTermBytes(p []byte) (bool, int) {
if len(p) > 0 {
if p[0] < ShiftStartInt64 || p[0] > ShiftStartInt64+63 {
return false, 0